Perhaps you should try some spelling variations:
"hanh quoc trinh snippets" » "hanh quoc thinh snippets", "hanh qua trinh snippets", "hanh quy trinh snippets", "khanh quoc trinh snippets", "han quoc trinh snippets", "anh quoc trinh snippets", "hanh quoc trinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hanh quoc trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh quoc trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh quoc trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh quoc trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.